Add option GPGME_EXPORT_MODE_MINIMAL
[gpgme.git] / configure.ac
index 06cbb86..5fb09d4 100644 (file)
@@ -1,6 +1,7 @@
 # configure.ac for GPGME
 # Copyright (C) 2000 Werner Koch (dd9jn)
-# Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008 g10 Code GmbH
+# Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008,
+#               2009, 2010  g10 Code GmbH
 # 
 # This file is part of GPGME.
 # 
@@ -31,10 +32,10 @@ min_automake_version="1.10"
 # specific feature can already be done under the assumption that the
 # SVN version is the most recent one in a branch.  To disable the SVN
 # version for the real release, set the my_issvn macro to no.
-m4_define(my_version, [1.2.0])
-m4_define(my_issvn, [no])
+m4_define(my_version, [1.3.1])
+m4_define(my_issvn, [yes])
 
-m4_define([svn_revision], m4_esyscmd([echo -n $( (svn info 2>/dev/null \
+m4_define([svn_revision], m4_esyscmd([printf "%d" $( (svn info 2>/dev/null \
             || echo 'Revision: 0')|sed -n '/^Revision:/ {s/[^0-9]//gp;q;}')]))
 AC_INIT([gpgme], 
         [my_version[]m4_if(my_issvn,[yes],[-svn[]svn_revision])],
@@ -66,6 +67,7 @@ AC_CONFIG_SRCDIR(src/gpgme.h.in)
 dnl FIXME: Enable this with autoconf 2.59.
 dnl AC_CONFIG_MACRO_DIR(m4)
 AM_CONFIG_HEADER(config.h)
+AC_CONFIG_MACRO_DIR([m4])
 AM_INIT_AUTOMAKE($PACKAGE, $VERSION)
 AM_MAINTAINER_MODE
 AC_CANONICAL_HOST
@@ -95,10 +97,9 @@ AC_DEFINE_UNQUOTED(PACKAGE, "$PACKAGE", [Name of this package])
 AC_DEFINE_UNQUOTED(VERSION, "$VERSION", [Version of this package])
 
 # Don't default to build static libs.
-AC_DISABLE_STATIC
-AC_LIBTOOL_WIN32_DLL
-AC_LIBTOOL_RC
-AC_PROG_LIBTOOL
+LT_PREREQ([2.2.6])
+LT_INIT([win32-dll disable-static])
+LT_LANG([Windows Resource])
 
 # For now we hardcode the use of version scripts.  It would be better
 # to write a test for this or even implement this within libtool.
@@ -120,6 +121,7 @@ AM_CONDITIONAL(HAVE_LD_VERSION_SCRIPT, test "$have_ld_version_script" = "yes")
 GPG_DEFAULT=no
 GPGSM_DEFAULT=no
 GPGCONF_DEFAULT=no
+G13_DEFAULT=no
 component_system=None
 have_dosish_system=no
 have_w32_system=no
@@ -133,6 +135,7 @@ case "${host}" in
         GPG_DEFAULT='c:\\gnupg\\gpg.exe'
        GPGSM_DEFAULT='c:\\gnupg\\gpgsm.exe'
         GPGCONF_DEFAULT='c:\\gnupg\\gpgconf.exe'
+        G13_DEFAULT='c:\\gnupg\\g13.exe'
         #component_system='COM+'
 
        AM_PATH_GLIB_2_0
@@ -166,6 +169,7 @@ case "${host}" in
 #      GPG_DEFAULT='/usr/bin/gpg'
 #      GPGSM_DEFAULT='/usr/bin/gpgsm'
 #      GPGCONF_DEFAULT='/usr/bin/gpgconf'
+#      G13_DEFAULT='/usr/bin/g13'
        ;;
 esac
 
@@ -188,8 +192,10 @@ AM_CONDITIONAL(HAVE_PTH, test "$have_pth" = "yes")
 AM_CONDITIONAL(HAVE_PTHREAD, test "$have_pthread" = "yes")
 
 
+
 # Checks for header files.
 AC_CHECK_HEADERS(sys/select.h)
+AC_CHECK_HEADERS([sys/uio.h])
 
 
 # Type checks.
@@ -197,12 +203,13 @@ AC_C_INLINE
 AC_CHECK_SIZEOF(unsigned int)
 AC_SYS_LARGEFILE
 AC_TYPE_OFF_T
+AC_TYPE_UINTPTR_T
 
 # A simple compile time check in gpgme.h for GNU/Linux systems that
 # prevents a file offset bits mismatch between gpgme and the application.
 NEED__FILE_OFFSET_BITS=0
-case $ac_cv_sys_file_offset_bits in
-  no | unknown) ;;
+case "$ac_cv_sys_file_offset_bits" in
+  "" | no | unknown) ;;
   *)
   NEED__FILE_OFFSET_BITS=$ac_cv_sys_file_offset_bits
   ;;
@@ -218,12 +225,16 @@ if test "$GCC" = yes; then
     fi
 fi
 
-# Network library fun.
-AC_CHECK_FUNC(gethostbyname, , AC_CHECK_LIB(nsl, gethostbyname,
-       [NETLIBS="-lnsl $NETLIBS"]))
-AC_CHECK_FUNC(setsockopt, , AC_CHECK_LIB(socket, setsockopt,
-       [NETLIBS="-lsocket $NETLIBS"]))
-AC_SUBST(NETLIBS)
+# Only used for debugging, so no serious test needed (for actual
+# functionality you have to test libc as well, this only tests the
+# compiler).
+AC_CACHE_CHECK([for __thread],[gpgme_cv_tls_works],
+   AC_COMPILE_IFELSE([__thread int foo;],
+     gpgme_cv_tls_works=yes,gpgme_cv_tls_works=no))
+if test "$gpgme_cv_tls_works" = yes; then
+  AC_DEFINE(HAVE_TLS, [1], [Define if __thread is supported])
+fi
+
 
 # Checks for library functions.
 AC_FUNC_FSEEKO
@@ -276,15 +287,25 @@ AM_PATH_GPG_ERROR(1.4,, AC_MSG_ERROR([libgpg-error was not found]))
 AC_DEFINE(GPG_ERR_SOURCE_DEFAULT, GPG_ERR_SOURCE_GPGME,
           [The default error source for GPGME.])
 
-
+# And for libassuan.
+NEED_LIBASSUAN_VERSION=1.1.0
+have_libassuan=no
+AM_PATH_LIBASSUAN("$NEED_LIBASSUAN_VERSION",
+                  have_libassuan=yes, have_libassuan=no)
+AM_CONDITIONAL(HAVE_ASSUAN, test "$have_libassuan" = "yes")
+if test "$have_libassuan" = "yes"; then
+  AC_DEFINE(ENABLE_ASSUAN,1,[Whether Assuan support is enabled])
+fi
 
 # Checks for system services
-NEED_GPG_VERSION_DEFAULT=1.3.0
+NEED_GPG_VERSION_DEFAULT=1.4.0
 NEED_GPGSM_VERSION_DEFAULT=1.9.6
 NEED_GPGCONF_VERSION_DEFAULT=2.0.4
+NEED_G13_VERSION_DEFAULT=2.1.0
 NEED_GPG_VERSION="$NEED_GPG_VERSION_DEFAULT"
 NEED_GPGSM_VERSION="$NEED_GPGSM_VERSION_DEFAULT"
 NEED_GPGCONF_VERSION="$NEED_GPGCONF_VERSION_DEFAULT"
+NEED_G13_VERSION="$NEED_G13_VERSION_DEFAULT"
 AC_ARG_WITH(gpg-version,
            AC_HELP_STRING([--with-gpg-version=VER], [require GnuPG version VER]),
            NEED_GPG_VERSION=$withval)
@@ -312,6 +333,15 @@ fi
 if test "$NEED_GPGCONF_VERSION" = "no"; then
   NEED_GPGCONF_VERSION=0.0.0
 fi
+AC_ARG_WITH(g13-version,
+           AC_HELP_STRING([--with-g13-version=VER], [require G13 version VER]),
+           NEED_G13_VERSION=$withval)
+if test "$NEED_G13_VERSION" = "yes"; then
+  NEED_G13_VERSION="$NEED_G13_VERSION_DEFAULT"
+fi
+if test "$NEED_G13_VERSION" = "no"; then
+  NEED_G13_VERSION=0.0.0
+fi
 
 AC_DEFINE_UNQUOTED(NEED_GPG_VERSION, "$NEED_GPG_VERSION",
                                     [Min. needed GnuPG version.])
@@ -319,6 +349,8 @@ AC_DEFINE_UNQUOTED(NEED_GPGSM_VERSION, "$NEED_GPGSM_VERSION",
                                       [Min. needed GPGSM version.])
 AC_DEFINE_UNQUOTED(NEED_GPGCONF_VERSION, "$NEED_GPGCONF_VERSION",
                                         [Min. needed GPGCONF version.])
+AC_DEFINE_UNQUOTED(NEED_G13_VERSION, "$NEED_G13_VERSION",
+                                    [Min. needed G13 version.])
 
 
 NO_OVERRIDE=no
@@ -509,6 +541,15 @@ AC_ARG_ENABLE(gpgsm-test,
          run_gpgsm_test=$enableval)
 AM_CONDITIONAL(RUN_GPGSM_TESTS, test "$run_gpgsm_test" = "yes")
 
+# Require libassuan if GPGSM is here.
+require_libassuan=no
+if test "$GPGSM" != "no"; then
+  require_libassuan=yes
+fi
+if test "$G13" != "no"; then
+  require_libassuan=yes
+fi
+
 
 NO_OVERRIDE=no
 AC_ARG_WITH(gpgconf,
@@ -605,20 +646,102 @@ AC_ARG_ENABLE(gpgconf-test,
          run_gpgconf_test=$enableval)
 AM_CONDITIONAL(RUN_GPGCONF_TESTS, test "$run_gpgconf_test" = "yes")
 
-# Only build if supported.
-AM_CONDITIONAL(BUILD_GPGCONF, test "$GPGCONF" != "no")
-if test "$GPGCONF" != "no"; then
-  AC_DEFINE(HAVE_GPGCONF, 1,
-            [Defined if we are building with gpgconf support.])
+
+NO_OVERRIDE=no
+AC_ARG_WITH(g13,
+           AC_HELP_STRING([--with-g13=PATH],
+                           [use g13 binary at PATH]),
+           G13=$withval, NO_OVERRIDE=yes)
+if test "$NO_OVERRIDE" = "yes" || test "$G13" = "yes"; then
+  G13=
+  NO_OVERRIDE=yes
+  if test "$cross_compiling" != "yes"; then
+    AC_PATH_PROG(G13, g13)
+  fi
+  if test -z "$G13"; then
+    G13="$G13_DEFAULT"
+  fi
 fi
+if test "$G13" = no; then
+  if test "$NO_OVERRIDE" = "yes"; then
+    if test "$cross_compiling" != "yes"; then
+      AC_MSG_WARN([
+***
+*** Could not find g13, install g13 or use --with-g13=PATH to enable it
+***])
+    else
+      AC_MSG_ERROR([
+***
+*** Can not determine path to g13 when cross-compiling, use --with-g13=PATH
+***])
+    fi
+  fi
+else
+  AC_DEFINE_UNQUOTED(G13_PATH, "$G13", [Path to the G13 binary.])
+  AC_DEFINE(ENABLE_G13,1,[Whether G13 support is enabled])
+fi
+AM_CONDITIONAL(HAVE_G13, test "$G13" != "no")
 
+dnl Check for G13 version requirement.
+G13_VERSION=unknown
+ok=maybe
+if test -z "$G13" -o "x$G13" = "xno"; then
+  ok=no
+else
+  if test "$cross_compiling" = "yes"; then
+    AC_MSG_WARN([G13 version can not be checked when cross compiling])
+    ok=no
+  else
+    if test ! -x "$G13"; then
+      AC_MSG_WARN([G13 not executable, version check disabled])
+      ok=no
+    fi
+  fi
+fi
+if test "$ok" = "maybe"; then
+  AC_MSG_CHECKING(for G13 >= $NEED_G13_VERSION)
+  req_major=`echo $NEED_G13_VERSION | \
+             sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\)/\1/'`
+  req_minor=`echo $NEED_G13_VERSION | \
+            sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\)/\2/'`
+  req_micro=`echo $NEED_G13_VERSION | \
+            sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\)/\3/'`
+  G13_VERSION=`$G13 --version | sed -n '1 s/.*\ \([[0-9]].*\)/\1/p'`
+  major=`echo $G13_VERSION | \
+        sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\).*/\1/'`
+  minor=`echo $G13_VERSION | \
+        sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\).*/\2/'`
+  micro=`echo $G13_VERSION | \
+        sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\).*/\3/'`
 
-# FIXME: Only build if supported.
-AM_CONDITIONAL(BUILD_ASSUAN, test "$GPGSM" != "no")
-if test "$GPGSM" != "no"; then
-  AC_DEFINE(HAVE_ASSUAN_H, 1,
-            [Defined if we are building with assuan support.])
+  if test "$major" -gt "$req_major"; then
+    ok=yes
+  else
+    if test "$major" -eq "$req_major"; then
+      if test "$minor" -gt "$req_minor"; then
+        ok=yes
+      else
+        if test "$minor" -eq "$req_minor"; then
+          if test "$micro" -ge "$req_micro"; then
+            ok=yes
+         fi
+        fi
+      fi
+    fi
+  fi
+  if test "$ok" = "yes"; then
+    AC_MSG_RESULT(yes)
+  else
+    AC_MSG_RESULT(no)
+    AC_MSG_WARN([G13 must be at least version $NEED_G13_VERSION])
+  fi
 fi
+run_g13_test="$ok"
+AC_ARG_ENABLE(g13-test,
+  AC_HELP_STRING([--disable-g13-test], [disable G13 run test]),
+         run_g13_test=$enableval)
+AM_CONDITIONAL(RUN_G13_TESTS, test "$run_g13_test" = "yes")
+
 
 # Check for funopen
 AC_CHECK_FUNCS(funopen)
@@ -635,18 +758,16 @@ if test $ac_cv_func_funopen != yes; then
     fi
 fi
 
-# More assuan replacement functions.
-AC_REPLACE_FUNCS(isascii)
-AC_REPLACE_FUNCS(putc_unlocked)
-AC_REPLACE_FUNCS(memrchr)
+# Check for getgid etc
+AC_CHECK_FUNCS(getgid getegid)
+
+
+# Replacement functions.
 AC_REPLACE_FUNCS(stpcpy)
 # Check for unistd.h for setenv replacement function.
 AC_CHECK_HEADERS(unistd.h)
 AC_REPLACE_FUNCS(setenv)
 
-# More assuan checks.
-AC_CHECK_HEADERS([sys/uio.h])
-
 # Assuan check for descriptor passing.
 AC_CHECK_MEMBER(struct cmsghdr.cmsg_len,
                 [supports_descriptor_passing=yes],
@@ -683,27 +804,17 @@ fi
 
 AM_CONDITIONAL(USE_DESCRIPTOR_PASSING, test "$use_descriptor_passing" = "yes")
 
-# Assuan check for the getsockopt SO_PEERCRED
-AC_MSG_CHECKING(for SO_PEERCRED)
-AC_CACHE_VAL(assuan_cv_sys_so_peercred,
-      [AC_TRY_COMPILE([#include <sys/socket.h>], 
-         [struct ucred cr; 
-          int cl = sizeof cr;
-          getsockopt (1, SOL_SOCKET, SO_PEERCRED, &cr, &cl);],
-          assuan_cv_sys_so_peercred=yes,
-          assuan_cv_sys_so_peercred=no)
-       ])
-AC_MSG_RESULT($assuan_cv_sys_so_peercred) 
-if test $assuan_cv_sys_so_peercred = yes; then
-  AC_DEFINE(HAVE_SO_PEERCRED, 1,
-            [Defined if SO_PEERCRED is supported (Linux specific)])
-fi
 
-if test "$have_w32_system" = yes; then
-   NETLIBS="-lws2_32 $NETLIBS"
+uiserver=no
+if test "$use_descriptor_passing" = "yes" && test "$have_libassuan" = "yes"; then
+  uiserver=yes
 fi
+if test "$uiserver" != "no"; then
+  AC_DEFINE(ENABLE_UISERVER, 1,
+            [Defined if we are building with uiserver support.])
+fi
+AM_CONDITIONAL(HAVE_UISERVER, test "$uiserver" != "no")
 
-# End of assuan checks.
 
 AM_CONDITIONAL(BUILD_COMPLUS, test "$component_system" = "COM+")
 
@@ -752,10 +863,40 @@ LTLIBOBJS=`echo "$LIB@&t@OBJS" |
            sed 's,\.[[^.]]* ,.lo ,g;s,\.[[^.]]*$,.lo,'`
 AC_SUBST(LTLIBOBJS)
 
+# Some checks for gpgme-tool
+AC_CHECK_HEADER([argp.h])
+AC_CHECK_TYPES([error_t], [],
+   [AC_DEFINE([error_t], [int],
+   [Define to a type to use for `error_t' if it is not otherwise available.])],
+   [#include <errno.h>])
+
+
+# Last check.
+die=no
+if test "$require_libassuan" = "no"; then
+   die=yes
+   AC_MSG_NOTICE([[
+***
+*** You need libassuan to build this program with GPGSM support.
+*** This library is for example available at
+***   ftp://ftp.gnupg.org/pub/gcrypt/alpha/libassuan/
+*** (at least version $NEED_LIBASSUAN_VERSION is required).
+***]])
+fi
+
+if test "$die" = "yes"; then
+    AC_MSG_ERROR([[
+***
+*** Required libraries not found. Please consult the above messages
+*** and install them before running configure again.
+***]])
+fi
+
+
 #
 # Create config files 
 
-AC_CONFIG_FILES(Makefile assuan/Makefile src/Makefile
+AC_CONFIG_FILES(Makefile src/Makefile
                tests/Makefile 
                 tests/gpg/Makefile
                 tests/gpgsm/Makefile
@@ -779,6 +920,14 @@ echo "
        GpgConf path:    $GPGCONF
         GpgConf version: $GPGCONF_VERSION, min. $NEED_GPGCONF_VERSION
 
+       G13 path:        $G13
+        G13 version:     $G13_VERSION, min. $NEED_G13_VERSION
+
+        Assuan version:  $LIBASSUAN_VERSION
+
+       UI Server:       $uiserver
+        FD Passing:      $use_descriptor_passing
+
        GPGME Pthread:   $have_pthread
        GPGME Pth:       $have_pth
 "